Aquarium filter pump



FIG. 1 is a front perspective view of an aquarium filter pump showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view, and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an aquarium filter pump, substantially as shown. 